Jack Klugman (born April 27, 1922 in Philadelphia, Pennsylvania) is an American television and film actor, known primarily for his roles in sitcoms, movies and television. He is best-known for his role as Tony Randall's sloppy roommate, Oscar Madison, in The Odd Couple in the 1970s, and for his starring role in Quincy, M.E., in the 1970s and 1980s. He attended Carnegie Mellon University and graduated in 1948.

As a film character actor, Klugman was the epitome of the everyman. He was one of the pioneers of television acting in the 1950s, and is best remembered for his 1970s TV work as Oscar Madison on "Odd Couple, The" (1970) and as the medical examiner on "Quincy M.E." (1976).